Add MemoWise

[ms-ati]

Project

MemoWise is the wise choice for Ruby memoization.

Title and urls (GitHub, RubyGems, project page, blog posts, ...).

• Github
• RubyGems
• RubyConf 2021: Achieving Fast Method Meta-programming: Lessons from MemoWise (slides / benchmarks)
• Blog posts:
  • Introducing: MemoWise
  • Optimizing MemoWise Performance
  • Esoteric Ruby in MemoWise

What is this Ruby project?

MemoWise is the wise choice for Ruby memoization, featuring:

• Fast performance of memoized reads (with benchmarks)
• Support for resetting and presetting memoized values
• Support for memoization on frozen objects
• Support for memoization of class and module methods
• Support for inheritance of memoized class and instance methods
• Documented and tested thread-safety guarantees
• Full documentation and test coverage!

What are the main difference between this Ruby project and similar ones?

Compared to...

• Dry::Core::Memoizable
  • MemoWise avoids hash collision bugs made possible by an unsound optimization
  • Is faster in reading memoized values for every single method form except for the () no-args case.
• Memery, DDMemoize, Memoist, Memoized, Memoizer
  • Is faster, sometimes by an order of magnitude, in all cases.

MemoWise also boasts the fullest test coverage and documentation, and serves the full set of memoization use cases in Ruby.

Awesome Ruby Quality Standard

• Generally used (at least 30k downloads) and useful to the community.
  • 229k gem downloads as of 3/17/2023
  • Depended on by widely used gems (e.g. nanoc)
• Actively maintained (even if that just means take care of open issues and/or keep compatibility with current Ruby versions).
  • Yes, note the flow of commits updating Ruby versions, RSpec versions, and even competing gem versions for comparison benchmarks
• Stable
  • Yes, and adheres to Semantic Versioning
• Documented
  • Yes
• Tests
  • Yes, including automatic testing of examples in the documentation, and 100% code coverage

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[markets]

Thanks @ms-ati such a nice library! 🎉